diff --git a/components/Select.tsx b/components/Select.tsx
index 8c5e975..3822e18 100644
--- a/components/Select.tsx
+++ b/components/Select.tsx
@@ -38,7 +38,8 @@ const Select = forwardRef<any, Props>((props, ref) => {
         container: provided => {
           return {
             ...provided,
-            position: 'relative'
+            position: 'relative',
+            width: '100%'
           }
         },
         singleValue: provided => ({
diff --git a/components/Transaction/index.tsx b/components/Transaction/index.tsx
index 22a2ccc..0e73b04 100644
--- a/components/Transaction/index.tsx
+++ b/components/Transaction/index.tsx
@@ -20,6 +20,7 @@ import { TxUI } from './ui'
 import { default as _estimateFee } from '../../utils/estimateFee'
 import toast from 'react-hot-toast'
 import { combineFlags, extractFlags, transactionFlags } from '../../state/constants/flags'
+import { SetHookData, toHex } from '../../utils/setHook'
 
 export interface TransactionProps {
   header: string
@@ -40,16 +41,30 @@ const Transaction: FC<TransactionProps> = ({ header, state: txState, ...props })
 
   const prepareOptions = useCallback(
     (state: Partial<TransactionState> = txState) => {
-      const { selectedTransaction, selectedDestAccount, selectedAccount, txFields, selectedFlags } =
-        state
+      const {
+        selectedTransaction,
+        selectedDestAccount,
+        selectedAccount,
+        txFields,
+        selectedFlags,
+        hookParameters
+      } = state
 
       const TransactionType = selectedTransaction?.value || null
       const Destination = selectedDestAccount?.value || txFields?.Destination
       const Account = selectedAccount?.value || null
       const Flags = combineFlags(selectedFlags?.map(flag => flag.value)) || txFields?.Flags
+      const HookParameters = Object.entries(hookParameters || {}).reduce<
+        SetHookData['HookParameters']
+      >((acc, [_, { label, value }]) => {
+        return acc.concat({
+          HookParameter: { HookParameterName: toHex(label), HookParameterValue: toHex(value) }
+        })
+      }, [])
 
       return prepareTransaction({
         ...txFields,
+        HookParameters,
         Flags,
         TransactionType,
         Destination,
diff --git a/components/Transaction/ui.tsx b/components/Transaction/ui.tsx
index 59e2d64..df7ba33 100644
--- a/components/Transaction/ui.tsx
+++ b/components/Transaction/ui.tsx
@@ -1,4 +1,4 @@
-import { FC, useCallback, useEffect, useMemo, useState } from 'react'
+import { FC, ReactNode, useCallback, useEffect, useMemo, useState } from 'react'
 import Container from '../Container'
 import Flex from '../Flex'
 import Input from '../Input'
@@ -18,6 +18,7 @@ import { streamState } from '../DebugStream'
 import { Button } from '..'
 import Textarea from '../Textarea'
 import { getFlags } from '../../state/constants/flags'
+import { Plus, Trash } from 'phosphor-react'
 
 interface UIProps {
   setState: (pTx?: Partial<TransactionState> | undefined) => TransactionState | undefined
@@ -28,8 +29,14 @@ interface UIProps {
 
 export const TxUI: FC<UIProps> = ({ state: txState, setState, resetState, estimateFee }) => {
   const { accounts } = useSnapshot(state)
-  const { selectedAccount, selectedDestAccount, selectedTransaction, txFields, selectedFlags } =
-    txState
+  const {
+    selectedAccount,
+    selectedDestAccount,
+    selectedTransaction,
+    txFields,
+    selectedFlags,
+    hookParameters
+  } = txState
 
   const accountOptions: SelectOption[] = accounts.map(acc => ({
     label: acc.name,
@@ -110,7 +117,7 @@ export const TxUI: FC<UIProps> = ({ state: txState, setState, resetState, estima
     [selectedTransaction?.value]
   )
 
-  const richFields = ['TransactionType', 'Account']
+  const richFields = ['TransactionType', 'Account', 'HookParameters']
   if (fields.Destination !== undefined) {
     richFields.push('Destination')
   }
@@ -120,7 +127,6 @@ export const TxUI: FC<UIProps> = ({ state: txState, setState, resetState, estima
   }
 
   const otherFields = Object.keys(txFields).filter(k => !richFields.includes(k)) as [keyof TxFields]
-
   return (
     <Container
       css={{
@@ -130,94 +136,41 @@ export const TxUI: FC<UIProps> = ({ state: txState, setState, resetState, estima
       }}
     >
       <Flex column fluid css={{ height: '100%', overflowY: 'auto', pr: '$1' }}>
-        <Flex
-          row
-          fluid
-          css={{
-            justifyContent: 'flex-end',
-            alignItems: 'center',
-            mb: '$3',
-            mt: '1px',
-            pr: '1px'
-          }}
-        >
-          <Text muted css={{ mr: '$3' }}>
-            Transaction type:{' '}
-          </Text>
+        <TxField label="Transaction type">
           <Select
             instanceId="transactionsType"
             placeholder="Select transaction type"
             options={transactionsOptions}
             hideSelectedOptions
-            css={{ width: '70%' }}
             value={selectedTransaction}
             onChange={(tt: any) => handleChangeTxType(tt)}
           />
-        </Flex>
-        <Flex
-          row
-          fluid
-          css={{
-            justifyContent: 'flex-end',
-            alignItems: 'center',
-            mb: '$3',
-            pr: '1px'
-          }}
-        >
-          <Text muted css={{ mr: '$3' }}>
-            Account:{' '}
-          </Text>
+        </TxField>
+        <TxField label="Account">
           <Select
             instanceId="from-account"
             placeholder="Select your account"
-            css={{ width: '70%' }}
             options={accountOptions}
             value={selectedAccount}
             onChange={(acc: any) => handleSetAccount(acc)} // TODO make react-select have correct types for acc
           />
-        </Flex>
+        </TxField>
         {richFields.includes('Destination') && (
-          <Flex
-            row
-            fluid
-            css={{
-              justifyContent: 'flex-end',
-              alignItems: 'center',
-              mb: '$3',
-              pr: '1px'
-            }}
-          >
-            <Text muted css={{ mr: '$3', textAlign: 'end' }}>
-              Destination account:{' '}
-            </Text>
+          <TxField label="Destination account">
             <Select
               instanceId="to-account"
               placeholder="Select the destination account"
-              css={{ width: '70%' }}
               options={destAccountOptions}
               value={selectedDestAccount}
               isClearable
               onChange={(acc: any) => setState({ selectedDestAccount: acc })}
             />
-          </Flex>
+          </TxField>
         )}
         {richFields.includes('Flags') && (
-          <Flex
-            row
-            fluid
-            css={{
-              justifyContent: 'flex-end',
-              alignItems: 'center',
-              mb: '$3',
-              pr: '1px'
-            }}
-          >
-            <Text muted css={{ mr: '$3' }}>
-              Flags:{' '}
-            </Text>
+          <TxField label="Flags">
             <Select
               isClearable
-              css={{ width: '70%' }}
               instanceId="flags"
               placeholder="Select flags to apply"
               menuPosition="fixed"
@@ -229,7 +182,7 @@ export const TxUI: FC<UIProps> = ({ state: txState, setState, resetState, estima
                 selectedFlags ? selectedFlags.length >= flagsOptions.length - 1 : false
               }
             />
-          </Flex>
+          </TxField>
         )}
         {otherFields.map(field => {
           let _value = txFields[field]
@@ -251,93 +204,162 @@ export const TxUI: FC<UIProps> = ({ state: txState, setState, resetState, estima
           let rows = isJson ? (value?.match(/\n/gm)?.length || 0) + 1 : undefined
           if (rows && rows > 5) rows = 5
           return (
-            <Flex column key={field} css={{ mb: '$2', pr: '1px' }}>
-              <Flex
-                row
-                fluid
-                css={{
-                  justifyContent: 'flex-end',
-                  alignItems: 'center',
-                  position: 'relative'
-                }}
-              >
-                <Text muted css={{ mr: '$3' }}>
-                  {field + (isXrp ? ' (XRP)' : '')}:{' '}
-                </Text>
-                {isJson ? (
-                  <Textarea
-                    rows={rows}
-                    value={value}
-                    spellCheck={false}
-                    onChange={switchToJson}
-                    css={{
-                      width: '70%',
-                      flex: 'inherit',
-                      resize: 'vertical'
-                    }}
-                  />
-                ) : (
-                  <Input
-                    type={isFee ? 'number' : 'text'}
-                    value={value}
-                    onChange={e => {
-                      if (isFee) {
-                        const val = e.target.value.replaceAll('.', '').replaceAll(',', '')
-                        handleSetField(field, val)
-                      } else {
-                        handleSetField(field, e.target.value)
-                      }
-                    }}
-                    onKeyPress={
-                      isFee
-                        ? e => {
-                            if (e.key === '.' || e.key === ',') {
-                              e.preventDefault()
-                            }
-                          }
-                        : undefined
+            <TxField key={field} label={field + (isXrp ? ' (XRP)' : '')}>
+              {isJson ? (
+                <Textarea
+                  rows={rows}
+                  value={value}
+                  spellCheck={false}
+                  onChange={switchToJson}
+                  css={{
+                    flex: 'inherit',
+                    resize: 'vertical'
+                  }}
+                />
+              ) : (
+                <Input
+                  type={isFee ? 'number' : 'text'}
+                  value={value}
+                  onChange={e => {
+                    if (isFee) {
+                      const val = e.target.value.replaceAll('.', '').replaceAll(',', '')
+                      handleSetField(field, val)
+                    } else {
+                      handleSetField(field, e.target.value)
                     }
-                    css={{
-                      width: '70%',
-                      flex: 'inherit',
-                      '-moz-appearance': 'textfield',
-                      '&::-webkit-outer-spin-button': {
-                        '-webkit-appearance': 'none',
-                        margin: 0
-                      },
-                      '&::-webkit-inner-spin-button ': {
-                        '-webkit-appearance': 'none',
-                        margin: 0
-                      }
-                    }}
-                  />
-                )}
-                {isFee && (
-                  <Button
-                    size="xs"
-                    variant="primary"
-                    outline
-                    disabled={txState.txIsDisabled}
-                    isDisabled={txState.txIsDisabled}
-                    isLoading={feeLoading}
-                    css={{
-                      position: 'absolute',
-                      right: '$2',
-                      fontSize: '$xs',
-                      cursor: 'pointer',
-                      alignContent: 'center',
-                      display: 'flex'
-                    }}
-                    onClick={() => handleEstimateFee()}
-                  >
-                    Suggest
-                  </Button>
-                )}
-              </Flex>
-            </Flex>
+                  }}
+                  onKeyPress={
+                    isFee
+                      ? e => {
+                          if (e.key === '.' || e.key === ',') {
+                            e.preventDefault()
+                          }
+                        }
+                      : undefined
+                  }
+                  css={{
+                    flex: 'inherit',
+                    '-moz-appearance': 'textfield',
+                    '&::-webkit-outer-spin-button': {
+                      '-webkit-appearance': 'none',
+                      margin: 0
+                    },
+                    '&::-webkit-inner-spin-button ': {
+                      '-webkit-appearance': 'none',
+                      margin: 0
+                    }
+                  }}
+                />
+              )}
+              {isFee && (
+                <Button
+                  size="xs"
+                  variant="primary"
+                  outline
+                  disabled={txState.txIsDisabled}
+                  isDisabled={txState.txIsDisabled}
+                  isLoading={feeLoading}
+                  css={{
+                    position: 'absolute',
+                    right: '$2',
+                    fontSize: '$xs',
+                    cursor: 'pointer',
+                    alignContent: 'center',
+                    display: 'flex'
+                  }}
+                  onClick={() => handleEstimateFee()}
+                >
+                  Suggest
+                </Button>
+              )}
+            </TxField>
           )
         })}
+        <TxField multiLine label="Hook parameters">
+          <Flex column fluid>
+            {Object.entries(hookParameters).map(([id, { label, value }]) => (
+              <Flex column key={id} css={{ mb: '$2' }}>
+                <Flex row>
+                  <Input
+                    placeholder="Parameter name"
+                    value={label}
+                    onChange={e => {
+                      setState({
+                        hookParameters: {
+                          ...hookParameters,
+                          [id]: { label: e.target.value, value }
+                        }
+                      })
+                    }}
+                  />
+                  <Input
+                    css={{ mx: '$2' }}
+                    placeholder="Value"
+                    value={value}
+                    onChange={e => {
+                      setState({
+                        hookParameters: {
+                          ...hookParameters,
+                          [id]: { label, value: e.target.value }
+                        }
+                      })
+                    }}
+                  />
+                  <Button
+                    onClick={() => {
+                      const { [id]: _, ...rest } = hookParameters
+                      setState({ hookParameters: rest })
+                    }}
+                    variant="destroy"
+                  >
+                    <Trash weight="regular" size="16px" />
+                  </Button>
+                </Flex>
+              </Flex>
+            ))}
+            <Button
+              outline
+              fullWidth
+              type="button"
+              onClick={() => {
+                const id = Object.keys(hookParameters).length
+                setState({
+                  hookParameters: { ...hookParameters, [id]: { label: '', value: '' } }
+                })
+              }}
+            >
+              <Plus size="16px" />
+              Add Hook Parameter
+            </Button>
+          </Flex>
+        </TxField>
       </Flex>
     </Container>
   )
 }
+
+export const TxField: FC<{ label: string; children: ReactNode; multiLine?: boolean }> = ({
+  label,
+  children,
+  multiLine = false
+}) => {
+  return (
+    <Flex
+      row
+      fluid
+      css={{
+        justifyContent: 'flex-end',
+        alignItems: multiLine ? 'flex-start' : 'center',
+        position: 'relative',
+        mb: '$3',
+        mt: '1px',
+        pr: '1px'
+      }}
+    >
+      <Text muted css={{ mr: '$3', mt: multiLine ? '$2' : 0 }}>
+        {label}:{' '}
+      </Text>
+      <Flex css={{ width: '70%', alignItems: 'center' }}>{children}</Flex>
+    </Flex>
+  )
+}
diff --git a/state/actions/deployHook.tsx b/state/actions/deployHook.tsx
index ed33d06..e7dd322 100644
--- a/state/actions/deployHook.tsx
+++ b/state/actions/deployHook.tsx
@@ -6,7 +6,7 @@ import calculateHookOn, { TTS } from '../../utils/hookOnCalculator'
 import { Link } from '../../components'
 import { ref } from 'valtio'
 import estimateFee from '../../utils/estimateFee'
-import { SetHookData } from '../../utils/setHook'
+import { SetHookData, toHex } from '../../utils/setHook'
 import ResultLink from '../../components/ResultLink'
 import { xrplSend } from './xrpl-client'
 
@@ -18,13 +18,6 @@ export const sha256 = async (string: string) => {
   return hashHex
 }
 
-function toHex(str: string) {
-  var result = ''
-  for (var i = 0; i < str.length; i++) {
-    result += str.charCodeAt(i).toString(16)
-  }
-  return result.toUpperCase()
-}
 
 function arrayBufferToHex(arrayBuffer?: ArrayBuffer | null) {
   if (!arrayBuffer) {
diff --git a/state/actions/sendTransaction.tsx b/state/actions/sendTransaction.tsx
index 46a6ab4..64a426c 100644
--- a/state/actions/sendTransaction.tsx
+++ b/state/actions/sendTransaction.tsx
@@ -31,6 +31,10 @@ export const sendTransaction = async (
     ...opts
   }
   const { logPrefix = '' } = options || {}
+  state.transactionLogs.push({
+    type: 'log',
+    message: `${logPrefix}${JSON.stringify(tx, null, 2)}`
+  })
   try {
     const signedAccount = derive.familySeed(account.secret)
     const { signedTransaction } = sign(tx, signedAccount)
diff --git a/state/transactions.ts b/state/transactions.ts
index f7b0f31..095f62d 100644
--- a/state/transactions.ts
+++ b/state/transactions.ts
@@ -5,17 +5,23 @@ import state from '.'
 import { showAlert } from '../state/actions/showAlert'
 import { parseJSON } from '../utils/json'
 import { extractFlags, getFlags } from './constants/flags'
+import { fromHex } from '../utils/setHook'
 
 export type SelectOption = {
   value: string
   label: string
 }
 
+export type HookParameters = {
+  [key: string]: SelectOption
+}
+
 export interface TransactionState {
   selectedTransaction: SelectOption | null
   selectedAccount: SelectOption | null
   selectedDestAccount: SelectOption | null
   selectedFlags: SelectOption[] | null
+  hookParameters: HookParameters
   txIsLoading: boolean
   txIsDisabled: boolean
   txFields: TxFields
@@ -24,9 +30,11 @@ export interface TransactionState {
   estimatedFee?: string
 }
 
+const commonFields = ['TransactionType', 'Account', 'Sequence', "HookParameters"] as const;
+
 export type TxFields = Omit<
   Partial<typeof transactionsData[0]>,
-  'Account' | 'Sequence' | 'TransactionType'
+  typeof commonFields[number]
 >
 
 export const defaultTransaction: TransactionState = {
@@ -34,6 +42,7 @@ export const defaultTransaction: TransactionState = {
   selectedAccount: null,
   selectedDestAccount: null,
   selectedFlags: null,
+  hookParameters: {},
   txIsLoading: false,
   txIsDisabled: false,
   txFields: {},
@@ -158,7 +167,7 @@ export const prepareState = (value: string, transactionType?: string) => {
     return
   }
 
-  const { Account, TransactionType, Destination, ...rest } = options
+  const { Account, TransactionType, Destination, HookParameters, ...rest } = options
   let tx: Partial<TransactionState> = {}
   const schema = getTxFields(transactionType)
 
@@ -188,6 +197,14 @@ export const prepareState = (value: string, transactionType?: string) => {
     tx.selectedTransaction = null
   }
 
+  if (HookParameters && HookParameters instanceof Array) {
+    tx.hookParameters = HookParameters.reduce<TransactionState["hookParameters"]>((acc, cur, idx) => {
+      const param = { label: fromHex(cur.HookParameter?.HookParameterName || ""), value: fromHex(cur.HookParameter?.HookParameterValue || "") }
+      acc[idx] = param;
+      return acc;
+    }, {})
+  }
+
   if (schema.Destination !== undefined) {
     const dest = state.accounts.find(acc => acc.address === Destination)
     if (dest) {
@@ -246,12 +263,12 @@ export const getTxFields = (tt?: string) => {
   if (!txFields) return {}
 
   let _txFields = Object.keys(txFields)
-    .filter(key => !['TransactionType', 'Account', 'Sequence'].includes(key))
+    .filter(key => !commonFields.includes(key as any))
     .reduce<TxFields>((tf, key) => ((tf[key as keyof TxFields] = (txFields as any)[key]), tf), {})
   return _txFields
 }
 
-export { transactionsData }
+export { transactionsData, commonFields }
 
 export const transactionsOptions = transactionsData.map(tx => ({
   value: tx.TransactionType,
diff --git a/utils/setHook.ts b/utils/setHook.ts
index d6eb188..0d9e327 100644
--- a/utils/setHook.ts
+++ b/utils/setHook.ts
@@ -74,3 +74,19 @@ export const getInvokeOptions = (content?: string) => {
 
   return invokeOptions
 }
+
+export function toHex(str: string) {
+  var result = ''
+  for (var i = 0; i < str.length; i++) {
+    result += str.charCodeAt(i).toString(16)
+  }
+  return result.toUpperCase()
+}
+
+export function fromHex(hex: string) {
+  var str = ''
+  for (var i = 0; i < hex.length; i += 2) {
+    str += String.fromCharCode(parseInt(hex.substring(i, i + 2), 16))
+  }
+  return str
+}
\ No newline at end of file